<template>
  <div class="login_container">
    <div class="login_box">
      <div style="margin: 0 auto; text-align: center;position: relative;top: -75px; font-size: 40px; font-weight: bold; color: #ffffff;">
        <!-- <img src="../assets/logo_.png" alt="" width="200px"> -->
        中移政企部OA
      </div>
      <!-- 头像区域 -->
      <!-- <div class="avatar_box">

        <img src="../assets/logo.jpg" alt="">
      </div> -->
      <!-- 登录表单区域 -->
      <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
        </el-form-item>
        <el-form-item prop="code">
          <el-row :gutter="24">
            <el-col :span="12">
              <el-input v-model="loginForm.code" placeholder="请输入验证码"></el-input>
            </el-col>
            <el-col :span="12">
              <valid-code :value.sync="validCode"></valid-code>
            </el-col>
          </el-row>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>

      </el-form>

    </div>
  </div>
</template>

<script>
import validCode from './validCode.vue'
export default {

  data() {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: 'admin',
        password: '123456',
        code: ''
      },
      // 这是表单的验证规则对象
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        code: []
      },
      validCode: ''
    }
  },
  created() {
    // const arr = [10, 20, 50, 60, 70, 80]
    // // const res = arr.filter(item => item < 20).length
    // const res = arr.some(item => item < 20)
    // console.log(res)
    // console.log([1, 2, 3].indexOf(1))// 0
    // console.log(['foo', 'fly63', 'baz'].indexOf('fly63'))// 1
    // console.log([1, 2, 3].indexOf(4))// -1
    // 1.数组求和
    // var arr2 = [1, 5, 8, 6, 15, 78, 65, 25, 48, 55]
    // var arr2 = [5, 8, 6]
    // var sum = arr2.reduce((total, currentValue) => {
    //   console.log('total', total)
    //   console.log('currentValue', currentValue)
    //   return total + currentValue
    // })
    // console.log(sum)// 306
    // let arr1 = [ { id: '1', name: 'json' }, { id: '2', name: 'book' }, { id: '4', name: 'zhang' } ]
    // let arr2 = [ { id: '1', name: 'json', age: '15' }, { id: '2', name: 'book', age: '16' }, { id: '3', name: 'ani', age: '17' } ]
    // // ES6的方法
    // let add = arr2.filter(item => !arr1.some(ele => ele.id === item.id))
    // let add2 = arr1.filter(item => !arr2.some(ele => ele.id === item.id))
    // console.log(add)
    // console.log(add2)
    // ES5的方法 删除重复元素
    // let arr1 = [ { id: '1', name: 'json' }, { id: '2', name: 'book' }, { id: '4', name: 'zhang' } ]
    // let arr2 = [ { id: '1', name: 'json', age: '15' }, { id: '2', name: 'book', age: '16' }, { id: '3', name: 'ani', age: '17' } ]
    // for (var i = 0; i < arr2.length; i++) {
    //   for (var j = 0; j < arr1.length; j++) {
    //     if (arr2[i].id === arr1[j].id) {
    //       arr2.splice(i, 1)
    //     }
    //   }
    // }
    // console.log(arr2)
  },
  methods: {
    // 点击重置按钮，重置登录表单
    resetLoginForm() {
      // console.log(this);
      // console.log(this.validCode)
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      // console.log(this.validCode)
      // if(this.loginForm.code.toLowerCase()!=this.validCode.toLowerCase()){
      //   return this.$message.error('验证码错误！')
      // }
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败！')
        this.$message.success('登录成功')
        console.log('用户信息')
        console.log(res)
        // 1. 将登录成功之后的 token，保存到客户端的 sessionStorage 中
        //   1.1 项目中出了登录之外的其他API接口，必须在登录之后才能访问
        //   1.2 token 只应在当前网站打开期间生效，所以将 token 保存在 sessionStorage 中
        window.sessionStorage.setItem('token', res.data.token)
        window.sessionStorage.setItem('rid', res.data.rid)
        window.sessionStorage.setItem('dept', res.data.dept)
        window.sessionStorage.setItem('deptmentname', res.data.deptmentname)
        window.sessionStorage.setItem('departmentId', res.data.departmentId)
        window.sessionStorage.setItem('username', res.data.username)
        window.sessionStorage.setItem('name', res.data.name)
        window.sessionStorage.setItem('rolename', res.data.role_name)
        // window.sessionStorage.setItem('rightid', res.data.rightids.rightid)
        // 2. 通过编程式导航跳转到后台主页，路由地址是 /home
        this.$router.push('/home')
      })
    }
  },
  components: {
    validCode
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #364e6e;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
